The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Rule 110 in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 561st proton 🇩🇪 601 95 39ms 10 Jun 2020 561st razetime 601 95 41ms 25 Jan 2021 561st olivermrose 🇺🇸 601 95 43ms 24 Oct 2021 561st scpchicken 🇵🇼 601 95 41ms 22 Apr 2023 565th neihousaigaai 601 114 12ms 18 May 2021 565th FlorianCassayre 🇫🇷 601 114 25ms 17 Oct 2023 565th Artemis21 🇬🇧 601 114 20ms 10 Jan 2025 568th MeWhenI 🇻🇦 601 123 134ms 3 Aug 2024 569th tsunderu 🇯🇵 601 133 6ms 25 Aug 2021 569th Mandrzejy 🇵🇱 601 133 6ms 27 Feb 2024 571st Shanethegamer 🇺🇸 600 65 6ms 6 Feb 2022 572nd retrohun 600 123 5ms 12 Nov 2022 573rd MateuszPietrzak 🇵🇱 600 162 508ms 11 Jan 2024 574th Shanethegamer 🇺🇸 600 164 128ms 27 Feb 2023 574th klixel 🇨🇦 600 164 125ms 10 May 2023 576th Shanethegamer 🇺🇸 598 99 934ms 27 Feb 2023 577th omurakazuaki 🇯🇵 598 121 10ms 15 Mar 2021 577th alexsave 598 121 10ms 4 Nov 2025 579th galloj 🇨🇿 595 115 11ms 24 Jan 2021 579th myleopard 595 115 18ms 15 Oct 2021 579th CedricGebistorf 595 115 11ms 19 Feb 2022 579th betaveros 595 115 14ms 1 Jan 2023 579th scpchicken 🇵🇼 595 115 11ms 28 Feb 2023 579th janbehrens 🇩🇪 595 115 17ms 17 Jun 2023 579th fourth-bit 595 115 17ms 11 Nov 2024 586th iznax 595 136 361ms 21 Nov 2021 587th Shanethegamer 🇺🇸 594 96 48ms 27 Feb 2023 588th anter69 🇭🇺 592 100 935ms 24 Feb 2023 588th edsrzf 🇳🇿 592 100 967ms 11 Jul 2025 590th Indivicivet 592 135 6ms 16 Mar 2021 591st commandblockguy 🇺🇸 591 111 626ms 1 Sep 2025 591st snoozingnewt 🇨🇦 591 111 484ms 7 Nov 2025 593rd UnderKoen 🇳🇱 591 273 35ms 20 Jan 2025 594th vezzick 590 116 16ms 8 Mar 2021 594th Shanethegamer 🇺🇸 590 116 19ms 24 Sep 2021 594th amollberg 🇸🇪 590 116 12ms 18 Jan 2022 594th hiichbindermax 590 116 10ms 17 Sep 2024 598th KevinMarquette 🇺🇸 588 110 318ms 5 Jun 2020 599th MeWhenI 🇻🇦 588 181 4ms 24 Jul 2023 600th giacomogallina 585 117 24ms 14 Jun 2019 600th cellobix 585 117 19ms 15 Aug 2019 600th dzhang314 585 117 17ms 15 Aug 2019 600th mathisfun271 585 117 11ms 16 Dec 2023 600th KasperKivimaeki 🇫🇮 585 117 14ms 7 Jul 2025 605th primo-ppcg 🇹🇭 583 189 410ms 14 Jul 2020 606th MeWhenI 🇻🇦 583 212 106ms 7 Jun 2023 607th Shanethegamer 🇺🇸 583 225 25ms 25 Mar 2022 608th TimCurwick 🇺🇸 582 111 316ms 30 Jul 2020 609th MeWhenI 🇻🇦 582 158 46ms 2 Jun 2024 610th stertooy 🇧🇪 580 118 12ms 19 Jun 2024 610th EnTerr 580 118 15ms 1 Sep 2024 610th plcc0 580 118 23ms 25 Apr 2025 613th SirBogman 🇺🇸 580 139 181ms 27 Nov 2021 614th janbehrens 🇩🇪 580 190 433ms 15 Nov 2022 615th RockOfStone 578 182 5ms 10 Mar 2024 616th MeWhenI 🇻🇦 577 128 13ms 3 Jul 2023 617th Shanethegamer 🇺🇸 576 114 459ms 18 Jan 2024 618th ian-h-chamberlain 🇺🇸 576 171 143ms 8 Oct 2020 619th TheAristos 575 119 11ms 23 Oct 2019 620th cmayer777 575 169 81ms 21 Oct 2022 621st edsrzf 🇳🇿 574 178 1,308ms 29 Apr 2025 622nd Alex-x90 🇺🇸 574 224 284ms 19 Sep 2024 623rd iczelia 🇩🇪 572 141 141ms 19 Oct 2025 624th sambirnbaum1 571 120 12ms 29 Oct 2019 624th boxjelly 571 120 14ms 17 Jan 2021 626th cywong-amino 🇭🇰 570 127 12ms 7 Oct 2020 627th funnsam 🇭🇰 569 173 136ms 12 Aug 2024 628th quimey 566 121 18ms 23 Aug 2023 629th MeWhenI 🇻🇦 566 143 355ms 19 Jun 2025 630th janbehrens 🇩🇪 566 160 434ms 15 Nov 2022 631st msbranicky 566 167 9ms 3 Oct 2024 632nd guliyevemil1 🇦🇿 566 227 281ms 16 Apr 2020 633rd bac0id 562 144 370ms 4 Jul 2024 634th bac0id 562 196 412ms 28 Jun 2024 634th Jacob385 562 196 381ms 10 Nov 2025 636th msbranicky 561 229 295ms 30 Aug 2023 637th janbehrens 🇩🇪 560 112 848ms 10 Nov 2021 638th akshatj27 🇦🇶 559 102 37ms 12 Dec 2022 638th aaronze 🇦🇺 559 102 34ms 20 Sep 2023 640th cmayer777 559 143 6ms 21 Oct 2022 First Prev 561–640 of 1,626 Next Last